The Avios Balance Boost has been given a temporary upgrade, with members of The British Airways Club now able to multiply the Avios they have collected over the past month by up to 500%. The limited-time offer comes from IAG Loyalty, the company that runs the Avios reward currency, and is pitched as a last chance to build a balance before summer ends.
The deal runs until Friday 18 September 2026 and is open to members worldwide. For UK business travellers who have been on the road in recent weeks, it offers a narrow window to turn the points from those trips into something more substantial.
How does the Avios Balance Boost work?
Members pay cash to increase the number of Avios they have collected in the previous 30 days. Under the standard version of the product, the options are a 100%, 200% or 300% uplift on that recent haul.
For the duration of this campaign, British Airways Club members will also see 400% and 500% boost levels when they top up. Avios earned on any eligible transaction in the past 30 days can be boosted, whether it came from flying, other travel, shopping or the many other ways to collect.
IAG Loyalty says the extra tiers are designed to help members bring forward their next trip or reach the balance they need for Reward Flights. Full details, including which transactions qualify, are on the official Avios Balance Boost page.
What it means for business travellers
For anyone who travels regularly for work, the 30-day window is the key detail. A run of flights, hotel stays or taxi journeys in late August and early September will have built up a recent Avios total, and that total sets how many extra points a boost can buy. Those who have been quiet over the summer will have less to multiply. It is worth checking the account before paying to see which recent transactions are eligible, so the uplift is not smaller than expected.
The move also sits alongside a wider push by IAG Loyalty to reward everyday business spending. Uber for Business, for example, has run promotions offering double Avios on work trips, which would feed directly into the balance eligible for a boost. Our feature on how business travellers can earn additional perks on their trips sets out other ways to make regular travel pay.
Should you buy Avios before the deadline?
Whether it makes sense to buy Avios this way depends on what the points will be used for. A traveller close to the balance needed for a particular Reward Flight may find the 400% or 500% option the quickest route there, while others may prefer to wait for a specific redemption before spending money on points.
There is also a question for employers. Where Avios are earned on company-funded trips, firms with a corporate travel policy covering loyalty schemes may want to make clear whether a paid boost counts as a personal purchase or something that could ever be claimed back, so that staff do not assume it can go through expenses. Travellers should check the terms and the ways to collect Avios with The British Airways Club before committing.
With the enhanced Avios Balance Boost closing on 18 September 2026, members who want to take part have only a few days left. Readers who saw our earlier report on the limited-time offer should note the deadline is now close.
